1 Samuel 17:40
And he took his staff in his hand, and chose him five smooth stones out of the brook, and put them in a shepherd's bag which he had, even in a money; and his sling was in his hand: and he drew near to the Philistine.
Torrey's Topical Textbook—AKJV

Job 22:24
Then shall you lay up gold as dust, and the gold of Ophir as the stones of the brooks.
Torrey's Topical Textbook—AKJV